import React, { Component } from "react";

class App extends Component {
  // 单行注释
  // state 的类属性 ctr+/

  // 多行的注释
  // alt+shift+a
  /*   state = {
  }; */
  render() {
    return <h1>123

    {/*   <div></div> */}
    </h1>;
  }
}

export default App;
